492769879 has 4 divisors (see below), whose sum is σ = 563165584. Its totient is φ = 422374176.

The previous prime is 492769861. The next prime is 492769903. The reversal of 492769879 is 978967294.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 492769879 - 2⁷ = 492769751 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (492769679) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35197842 + ... + 35197855.

It is an arithmetic number, because the mean of its divisors is an integer number (140791396).

Almost surely, 2^492769879 is an apocalyptic number.

492769879 is a deficient number, since it is larger than the sum of its proper divisors (70395705).

492769879 is an equidigital number, since it uses as much as digits as its factorization.

492769879 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70395704.

The product of its digits is 13716864, while the sum is 61.

The square root of 492769879 is about 22198.4206420187. The cubic root of 492769879 is about 789.8562356563.

The spelling of 492769879 in words is "four hundred ninety-two million, seven hundred sixty-nine thousand, eight hundred seventy-nine".